OpenTechnical

OT-2026-000039441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000039441) never changes.

Identity and time

Publication numberOT-2026-000039441 · never reused
Internal UUID01a0ae78-9675-74db-9cbe-a3e4a7bdaa59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039441
StatusPUBLIC

Content hashes

Canonical texta502f3be1557710225063f320aa50999a64c76b71b90b75169575acd0152f5cd
Markdown25e574b9bde5dcb43280ff099f3d911ec09ec3599951a3a8a278b900cdcbe6c2
PDF
Publication pagec4af6d90718381bf45668c834bfa2e1e3e0fbb9805654b63a96a6e89a2cadbf2
Manifestdce5cdab9d0c73826ff2596001bbb271b19d4a7e310461cefa7447c363ff2fda

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureqtH5/PnYlwWMs6n9nQUxTEWpdaN2LHcjlBynpD24V/w/fyWc6blJZ2pgPgT7dXoJlMRUTcxexQ1e34IAa1WJAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:03.599982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039441
observed c4af6d90718381bf45668c834bfa2e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.582955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039441/manifest.json
observed dce5cdab9d0c73826ff2596001bbb271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.564860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039441/publication.md
observed 25e574b9bde5dcb43280ff099f3d911e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.548745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039441/publication.txt
observed a502f3be1557710225063f320aa50999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.